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Category: Migration

Arrival and peak abundance of Barn Swallows
Archive/Bird ringing/Birds/Citizen Science/Data and statistics/Migration

Arrival and peak abundance of Barn Swallows in three regions of South Africa in relation to climate indices, deduced from SABAP2 data

Posted on 26/09/2025 by Les Underhill

A paper on the migration of Barn Swallows has been published Open Access in the journal Birds. Publication date was 9 September 2025. The authors, title and jou...

Archive/Biodiversity/Bird identification/Birding/BirdPix/Birds/Citizen Science/Migration

European Bee-eater (Merops apiaster)

Posted on 29/07/2024 by Ryan Tippett

Cover image: European Bee-eater by Neels Putter – Thabazimbi district, Limpopo – BirdPix No.153941 Bee-eaters belong to the Family: MEROPIDAE. Th...

Archive/Bird identification/Birding/Birds/Migration

Barn Swallow (Hirundo rustica)

Posted on 16/05/2024 by Ryan Tippett

Cover image of Barn Swallow by Andries de Vries – Middelburg district, Mpumalanga – BirdPix No. 266068 Identification The Barn Swallow is a speci...

Turnstones
Archive/Bird identification/Bird ringing/Birding/BirdPix/Birds/Citizen Science/Migration

Ruddy Turnstone (Arenaria interpres)

Posted on 04/04/2024 by Les Underhill

Cover image: Ruddy Turnstone by John and Anne Todd, 9 April, at St Helena Bay in the Western Cape, South Africa. Most of the turnstones in this photograph are a...

Lesser Black-backed Gull
Archive/Biodiversity/Bird identification/BirdPix/Birds/Migration

Lesser Black-backed Gull (Larus fuscus)

Posted on 06/04/2023 by Les Underhill

Identification In the interior of South Africa, almost any gull which at first glance looks like a Kelp Gull (white head and body, black back and wings) is most...

Archive/Bird ringing/Birding/Birds/Migration

The value of bird ringing to research and conservation

Posted on 31/03/2023 by Les Underhill

What do we learn from bird ringing? The first, quick and obvious answer is that ringing helps us understand movement patterns of birds. The more subtle answer i...

Archive/Bird ringing/Birds/Migration

Migration in a time of war: through the battle zone

Posted on 07/04/2022 by Les Underhill

During late-April and May, Curlew Sandpipers, and lots of other migrant waders, will be migrating through Ukraine. They will be joined by many passerine migrant...

  • Home
  • Departments
    • Research Training
      • Introduction
      • Research Themes
      • Study Sites
      • Logistics
    • Bird Ringing
      • Introduction
      • Ringing history
      • The Value of Bird Ringing
    • Science and Ecology Specialist Consulting
    • Citizen Science – Biodiversity Conservation & Research
    • Biodiversity Observations
  • About
    • What we do
    • Who we are
    • Contact us
  • News
    • Archive
    • BDI Research
    • BDI Bridge
    • BDInsight
  • Upcoming BDI events
  • Biodiversity Projects
    • Bird Feeder Project
    • Atlas of Frogs & Toads
    • Atlas of African Neuroptera and Megaloptera
    • Atlas of Dragonflies & Damselflies
    • Atlas of Butterflies & Moths
  • Karoo Research Centre

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Registration in terms of the Non-Profit Organisations Act: 302-671 NPO.


Directors:
Prof Les Underhill, Ms Sue Gie, Jorn Das
les@thebdi.org
072 062 1140


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